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Computationally efficient higher-order shear and normal deformation theory for laminated composite plates

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Randomized trial demonstrates improved accuracy of a new theory for analyzing composite plates under loading, indicating its effectiveness.

The aim is to develop a higher-order shear and normal deformation theory for laminated composite plates under transverse loading.
Employed higher-order through-thickness displacement polynomials to model displacement and stress fields.
Used the principle of virtual work to derive governing equations and obtained analytical solutions with Navier’s method.
Validated results against benchmark three-dimensional elasticity solutions for various laminate configurations.
The proposed model showed better predictive capability compared to several equivalent single-layer theories.
Demonstrated good agreement with benchmark three-dimensional elasticity solutions, highlighting accuracy under transverse loading.
Graphical comparisons indicated enhanced modeling accuracy across various laminate configurations.

Aamir Anwar Nezami (2026) studied this question.

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Randomized trial demonstrates improved accuracy of a new theory for analyzing composite plates under loading, indicating its effectiveness.